:root {
  --bg: #f1f5f9;
  --surface: #ffffff;
  --sidebar-bg: #0b2942;
  --sidebar-text: #cfe6f5;
  --accent: #0ea5b7;
  --accent-dark: #0b7f8e;
  --text: #0f172a;
  --text-muted: #64748b;
  --border: #e2e8f0;
  --danger: #dc2626;
  --success: #16a34a;
  --warning: #d97706;
  --radius: 10px;
}

* { box-sizing: border-box; }

html, body {
  height: 100%;
  margin: 0;
  font-family: 'Segoe UI', system-ui, -apple-system, sans-serif;
  background: var(--bg);
  color: var(--text);
}

.app {
  display: flex;
  min-height: 100vh;
}

.sidebar {
  width: 250px;
  flex-shrink: 0;
  background: var(--sidebar-bg);
  color: var(--sidebar-text);
  display: flex;
  flex-direction: column;
  padding: 18px 14px;
  position: sticky;
  top: 0;
  height: 100vh;
}

.brand {
  display: flex;
  align-items: center;
  gap: 10px;
  padding: 6px 10px 20px;
  font-size: 19px;
  font-weight: 700;
  color: #fff;
}
.brand-icon { font-size: 24px; }

.nav {
  display: flex;
  flex-direction: column;
  gap: 4px;
  flex: 1;
}

.nav-btn {
  text-align: left;
  background: transparent;
  border: none;
  color: var(--sidebar-text);
  padding: 11px 12px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14.5px;
  transition: background .15s ease;
}
.nav-btn:hover { background: rgba(255,255,255,.08); }
.nav-btn.active {
  background: var(--accent);
  color: #fff;
  font-weight: 600;
}

.sidebar-footer {
  display: flex;
  flex-direction: column;
  gap: 8px;
  padding-top: 12px;
  border-top: 1px solid rgba(255,255,255,.12);
}

.btn-ghost {
  display: block;
  text-align: center;
  background: rgba(255,255,255,.06);
  border: 1px solid rgba(255,255,255,.18);
  color: var(--sidebar-text);
  padding: 9px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 13px;
  text-decoration: none;
}
.btn-ghost:hover { background: rgba(255,255,255,.14); }

.content {
  flex: 1;
  padding: 28px 34px;
  max-width: 1200px;
}

.view-header {
  display: flex;
  justify-content: space-between;
  align-items: center;
  margin-bottom: 20px;
  flex-wrap: wrap;
  gap: 12px;
}
.view-header h1 { margin: 0; font-size: 24px; }
.view-header .sub { color: var(--text-muted); font-size: 14px; margin-top: 4px; }

.btn {
  background: var(--accent);
  color: #fff;
  border: none;
  padding: 10px 16px;
  border-radius: 8px;
  cursor: pointer;
  font-size: 14px;
  font-weight: 600;
  transition: background .15s ease;
}
.btn:hover { background: var(--accent-dark); }
.btn.secondary { background: var(--surface); color: var(--text); border: 1px solid var(--border); }
.btn.secondary:hover { background: #f8fafc; }
.btn.danger { background: var(--danger); }
.btn.danger:hover { background: #b91c1c; }
.btn.small { padding: 6px 10px; font-size: 12.5px; }
.btn:disabled { opacity: .5; cursor: not-allowed; }

.cards-grid {
  display: grid;
  grid-template-columns: repeat(auto-fit, minmax(200px, 1fr));
  gap: 16px;
  margin-bottom: 24px;
}
.stat-card {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 18px;
}
.stat-card .value { font-size: 30px; font-weight: 700; }
.stat-card .label { color: var(--text-muted); font-size: 13px; margin-top: 4px; }
.stat-card.warning .value { color: var(--warning); }
.stat-card.danger .value { color: var(--danger); }
.stat-card.success .value { color: var(--success); }

.panel {
  background: var(--surface);
  border: 1px solid var(--border);
  border-radius: var(--radius);
  padding: 20px;
  margin-bottom: 20px;
}
.panel h2 { margin-top: 0; font-size: 16px; }

table { width: 100%; border-collapse: collapse; font-size: 14px; }
thead th {
  text-align: left;
  color: var(--text-muted);
  font-weight: 600;
  font-size: 12.5px;
  text-transform: uppercase;
  letter-spacing: .03em;
  padding: 8px 10px;
  border-bottom: 2px solid var(--border);
}
tbody td { padding: 10px; border-bottom: 1px solid var(--border); vertical-align: middle; }
tbody tr:hover { background: #f8fafc; }
tbody tr:last-child td { border-bottom: none; }
.table-wrap { overflow-x: auto; }
.actions-cell { display: flex; gap: 6px; white-space: nowrap; }

.badge {
  display: inline-block;
  padding: 3px 9px;
  border-radius: 999px;
  font-size: 12px;
  font-weight: 600;
}
.badge.green { background: #dcfce7; color: #15803d; }
.badge.red { background: #fee2e2; color: #b91c1c; }
.badge.amber { background: #fef3c7; color: #b45309; }
.badge.gray { background: #f1f5f9; color: #475569; }
.badge.blue { background: #dbeafe; color: #1d4ed8; }

.empty-state {
  text-align: center;
  padding: 40px 20px;
  color: var(--text-muted);
}
.empty-state .icon { font-size: 40px; margin-bottom: 10px; }

.toolbar {
  display: flex;
  gap: 10px;
  align-items: center;
  margin-bottom: 16px;
  flex-wrap: wrap;
}
.toolbar input, .toolbar select {
  padding: 9px 12px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  background: var(--surface);
}
.toolbar input[type="text"], .toolbar input[type="search"] { min-width: 220px; }

.modal-overlay {
  position: fixed; inset: 0;
  background: rgba(15, 23, 42, .5);
  display: flex; align-items: center; justify-content: center;
  z-index: 100;
  padding: 20px;
}
.modal-overlay.hidden { display: none; }
.modal {
  background: var(--surface);
  border-radius: 12px;
  padding: 24px;
  width: 100%;
  max-width: 560px;
  max-height: 88vh;
  overflow-y: auto;
  box-shadow: 0 20px 50px rgba(0,0,0,.25);
}
.modal h2 { margin-top: 0; }

.form-grid { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; }
.form-grid .full { grid-column: 1 / -1; }
.field { display: flex; flex-direction: column; gap: 5px; }
.field label { font-size: 13px; font-weight: 600; color: var(--text-muted); }
.field input, .field select, .field textarea {
  padding: 9px 11px;
  border: 1px solid var(--border);
  border-radius: 8px;
  font-size: 14px;
  font-family: inherit;
}
.field textarea { resize: vertical; min-height: 60px; }
.modal-actions {
  display: flex;
  justify-content: flex-end;
  gap: 10px;
  margin-top: 20px;
  padding-top: 16px;
  border-top: 1px solid var(--border);
}

.toast {
  position: fixed;
  bottom: 24px;
  left: 50%;
  transform: translateX(-50%);
  background: #0f172a;
  color: #fff;
  padding: 12px 20px;
  border-radius: 8px;
  font-size: 14px;
  z-index: 200;
  box-shadow: 0 8px 24px rgba(0,0,0,.3);
}
.toast.hidden { display: none; }
.toast.error { background: var(--danger); }
.toast.success { background: var(--success); }

.tabs-sub {
  display: flex;
  gap: 6px;
  margin-bottom: 18px;
  border-bottom: 1px solid var(--border);
}
.tab-sub-btn {
  padding: 10px 16px;
  background: none;
  border: none;
  border-bottom: 2px solid transparent;
  cursor: pointer;
  font-size: 14px;
  color: var(--text-muted);
  font-weight: 600;
}
.tab-sub-btn.active { color: var(--accent-dark); border-bottom-color: var(--accent); }

.progress-selector {
  display: flex;
  gap: 12px;
  align-items: flex-end;
  flex-wrap: wrap;
  margin-bottom: 20px;
}

canvas.chart { width: 100%; height: 280px; display: block; }

.link-btn {
  background: none; border: none; color: var(--accent-dark);
  cursor: pointer; font-size: 14px; font-weight: 600; padding: 0;
}
.link-btn:hover { text-decoration: underline; }

.detail-grid {
  display: grid;
  grid-template-columns: 280px 1fr;
  gap: 20px;
  align-items: start;
}
@media (max-width: 900px) {
  .detail-grid { grid-template-columns: 1fr; }
  .app { flex-direction: column; }
  .sidebar { width: 100%; height: auto; position: static; }
}

.avatar-circle {
  width: 56px; height: 56px; border-radius: 50%;
  background: var(--accent);
  color: #fff;
  display: flex; align-items: center; justify-content: center;
  font-weight: 700; font-size: 20px;
  flex-shrink: 0;
}

.info-list { list-style: none; padding: 0; margin: 0; display: flex; flex-direction: column; gap: 10px; }
.info-list li { display: flex; justify-content: space-between; font-size: 14px; border-bottom: 1px dashed var(--border); padding-bottom: 8px; }
.info-list li span:first-child { color: var(--text-muted); }

.pill-row { display: flex; gap: 8px; flex-wrap: wrap; }